5155280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4957}}^1$

素因数の和:4983

約数の個数: 40

約数和(自身を含む): 12910632

約数和(自身を除く): 7755352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4957, 9914, 19828, 24785, 39656, 49570, 64441, 79312, 99140, 128882, 198280, 257764, 322205, 396560, 515528, 644410, 1031056, 1288820, 2577640, 5155280]

約数ペア:

[(1, 5155280), (2, 2577640), (4, 1288820), (5, 1031056), (8, 644410), (10, 515528), (13, 396560), (16, 322205), (20, 257764), (26, 198280), (40, 128882), (52, 99140), (65, 79312), (80, 64441), (104, 49570), (130, 39656), (208, 24785), (260, 19828), (520, 9914), (1040, 4957)]